词汇	二铰拱桥
释义	二铰拱桥医two-hinged arch bridge
随便看	historical viewpoint of cultural development historical views historical virtue historical vision historical volatility historical volume historical war conceptions historical waterfront historical ways historical words historical work historical work-load data historical works Historical works in nan dynasties historical writing historical writings historical yield historical zone historic and culturalareas historic and cultural areas historic and cultural block historic and cultural blocks Historic and cultural cities historic and cultural city historic and cultural city planning